work

Author: Aaronontheweb

Directory.Packages.props

@@ -4,6 +4,7 @@
   </PropertyGroup>
   <ItemGroup Label="Common">
     <PackageVersion Include="Akka.Hosting" Version="1.5.40" />
+    <PackageVersion Include="Microsoft.Extensions.AI.Abstractions" Version="9.4.0-preview.1.25207.5" />
     <PackageVersion Include="Microsoft.Extensions.Hosting" Version="9.0.4" />
     <PackageVersion Include="OpenTelemetry.Instrumentation.AspNetCore" Version="1.11.1" />
     <PackageVersion Include="OpenTelemetry.Instrumentation.Http" Version="1.11.1" />

src/0-hello-world/AI.HelloWorld.PromptApi/Program.cs

@@ -1,7 +1,6 @@
 using AI.Telemetry;
 using Microsoft.Extensions.AI;
 using Microsoft.OpenApi.Models;
-using Swashbuckle.AspNetCore;
 
 var builder = WebApplication.CreateBuilder(args);
 

src/1-stateful-prompts/AI.StatefulPrompts.Business/AI.StatefulPrompts.Business.csproj

@@ -8,6 +8,7 @@
 
     <ItemGroup>
       <PackageReference Include="Akka.Hosting" />
+      <PackageReference Include="Microsoft.Extensions.AI.Abstractions" />
     </ItemGroup>
 
 </Project>

src/1-stateful-prompts/AI.StatefulPrompts.Business/Class1.cs

@@ -0,0 +1,26 @@
+using System.Collections.Immutable;
+using Akka.Actor;
+using Microsoft.Extensions.AI;
+
+namespace AI.StatefulPrompts.Business;
+
+/// <summary>
+/// An immutable record that represents the history of a prompt.
+/// </summary>
+/// <param name="PromptTitle">The title, to be assigned later.</param>
+/// <param name="CreatedAt">Start of the prompt history.</param>
+/// <param name="Messages"></param>
+public sealed record PromptHistory(string PromptTitle, DateTimeOffset CreatedAt, ImmutableStack<ChatMessage> Messages)
+{
+    public DateTimeOffset LastUpdatedAt { get; } = DateTimeOffset.UtcNow;
+}
+
+public sealed class PromptHistoryActor : UntypedActor
+{
+    private IActorRef _signalRMessagingActor;
+    
+    protected override void OnReceive(object message)
+    {
+        throw new NotImplementedException();
+    }
+}